OT-2026-000078342
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000078342) never changes.
Identity and time
| Publication number | OT-2026-000078342 · never reused |
|---|---|
| Internal UUID | 01a0ae95-7c27-7185-b8fd-2effe15a8d5a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:07.483031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078342 |
| Status | PUBLIC |
Content hashes
| Canonical text | 667a030b1ab62412e90d55b378ca67192c6b75bea43f56fa76f115dc464aaca7 |
|---|---|
| Markdown | 1f6321c556bab5612d55693c142a1382762df7b89482093486eadbaab6024b86 |
| Publication page | 0e03bb2ed8367c94a24461bad204f19c83370e7eebfbbb0d85ce3b36b03d8668 |
| Manifest | a278ca82af19b9042fb6dfeb63c30a389e7848d33feb829aa5f35121bb578da2 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | yWMHMtgAzGKXKJSJNFSuPD1Mkpk1O+aEx9w+9JrzoMqJxCPRTf/sqziJ8wY8qbdwsNsLBCrFjxI5LrarVNPGDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-29T04:23:28.140033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078342observed 0e03bb2ed8367c94a24461bad204f19c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:23:28.126095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078342/manifest.jsonobserved a278ca82af19b9042fb6dfeb63c30a38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:28.110343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078342/publication.mdobserved 1f6321c556bab5612d55693c142a1382...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:28.079712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078342/publication.txtobserved 667a030b1ab62412e90d55b378ca6719...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:14.274771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078342observed 0e03bb2ed8367c94a24461bad204f19c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:14.175540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078342/manifest.jsonobserved a278ca82af19b9042fb6dfeb63c30a38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:14.081564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078342/publication.mdobserved 1f6321c556bab5612d55693c142a1382...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:13.976393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078342/publication.txtobserved 667a030b1ab62412e90d55b378ca6719...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|